body{
    width: 100%;
}
.contaier{
    width: 100%;
    height: auto;
}
.nav{
    /* width: 100%; */
    height: 30px;
    margin-bottom: 10px;
    padding: 0 20%;
    border: 1px solid rgb(112, 156, 165);
    background-color: rgb(171, 149, 149);
    font-size: 16px;
}
.nav ul{
    width: 800px;
    text-align: center;
    display: flex;
    margin: 0 0;
    /* margin: 10px 0; */
    height: 100%;
    /* justify-content: space-around; */
}
.nav ul li{
    /* margin-right: 20px; */
    padding: 2px 10px;
    list-style: none;
    text-align: center;
}
.nav ul a{
    text-decoration: none;
    border: 1px solid #9d8d8d;
    background-color: rgb(223, 218, 218);
}
.nav ul a:hover{
    background-color: rgb(72, 27, 27);
    color: white;
    font-size: 18px;
}
.content{
    width: 800px;
    min-height: 200px;
    /* text-align: center; */
    margin: 0 auto;
    padding: 20px 10px;
    border: 1px solid grey;
}
.content div{
    text-align: left;
    margin-bottom: 20px;

    /* min-height: 50px; */

}
.content div a {
    text-decoration: none;
}